Fix uninitialized variables in json's populate_record_worker().

Peter Geoghegan.

Fix uninitialized variables in json's populate_record_worker().
Peter Geoghegan.
7e4d1600 · Andrew Dunstan · 2d5e0f07 · 7e4d1600
Commit 7e4d1600 authored Mar 26, 2014 by Andrew Dunstan
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src/backend/utils/adt/jsonfuncs.c src/backend/utils/adt/jsonfuncs.c +2 -0

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--- a/src/backend/utils/adt/jsonfuncs.c
+++ b/src/backend/utils/adt/jsonfuncs.c
@@ -2160,6 +2160,8 @@ populate_record_worker(FunctionCallInfo fcinfo, bool have_record_arg)
 		my_extra = (RecordIOData *) fcinfo->flinfo->fn_extra;
 		my_extra->record_type = InvalidOid;
 		my_extra->record_typmod = 0;
+		my_extra->ncolumns = ncolumns;
+		MemSet(my_extra->columns, 0, sizeof(ColumnIOData) * ncolumns);
 	}

 	if (have_record_arg && (my_extra->record_type != tupType ||